/*
  * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
  *
  * This file is part of FFmpeg.
  *
  * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
  * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include "avcodec.h"
 
 
 static int remove_extradata(AVBitStreamFilterContext *bsfc, AVCodecContext *avctx, const char *args,
                      uint8_t **poutbuf, int *poutbuf_size,
                      const uint8_t *buf, int buf_size, int keyframe){
     int cmd= args ? *args : 0;
     AVCodecParserContext *s;
 
     if(!bsfc->parser){
         bsfc->parser= av_parser_init(avctx->codec_id);
     }
     s= bsfc->parser;
 
     if(s && s->parser->split){
         if(  (((avctx->flags & CODEC_FLAG_GLOBAL_HEADER) || (avctx->flags2 & CODEC_FLAG2_LOCAL_HEADER)) && cmd=='a')
            ||(!keyframe && cmd=='k')
            ||(cmd=='e' || !cmd)
           ){
             int i= s->parser->split(avctx, buf, buf_size);
             buf += i;
             buf_size -= i;
         }
     }
     *poutbuf= (uint8_t *) buf;
     *poutbuf_size= buf_size;
 
     return 0;
 }
 

 AVBitStreamFilter ff_remove_extradata_bsf={

     .name   = "remove_extra",
     .filter = remove_extradata,

 };